THIN FILM TRANSISTOR AND PREPARATION METHOD THEREOF, ARRAY SUBSTRATE AND DISPLAY APPARATUS

    公开(公告)号:US20170250207A1

    公开(公告)日:2017-08-31

    申请号:US15309949

    申请日:2016-04-08

    Abstract: A thin film transistor and a preparation method thereof, an array substrate and a display apparatus are provided. The preparation method includes an operation of forming a low temperature poly silicon active layer; a substrate has a first region and a second region; and the step includes: forming a buffer layer on the first region and the second region of the substrate, the buffer layer having a thickness at a portion corresponding to the first region greater than that at a portion corresponding to the second region; or, forming the buffer layer on the first region of the substrate; forming an amorphous silicon layer on the buffer layer; performing laser crystallization processing on the amorphous silicon layer so as to convert the amorphous silicon layer into a poly silicon layer; and removing the poly silicon layer on the second region, and forming the low temperature poly silicon active layer on the first region.

    Thin film transistor driving backplane and manufacturing method thereof, and display panel
    14.
    发明授权
    Thin film transistor driving backplane and manufacturing method thereof, and display panel 有权
    薄膜晶体管驱动背板及其制造方法以及显示面板

    公开(公告)号:US09543415B2

    公开(公告)日:2017-01-10

    申请号:US14362971

    申请日:2013-12-12

    Abstract: The embodiments of the present invention provide a thin film transistor driving backplane and a manufacturing method thereof, and a display panel. The manufacturing method may comprise: manufacturing a backplane base disposed with a plurality of active device structures; disposing an electrode layer on the backplane base; and manufacturing the electrode layer into a source electrode, a drain electrode and a pixel electrode integrally disposed with the drain electrode by one patterning process. According to the embodiment of the present invention, the electrode layer is manufactured into a plurality of source electrodes, drain electrodes and pixel electrodes, integrally disposed with the drain electrode, by one time patterning process, so that the source electrode, the drain electrode and the pixel electrode are all at the same electrode layer, and the source electrode, the drain electrode and the pixel electrode whose formation needs two patterning processes in the existing method, is simplified to one time patterning process, so it reduces the thickness of the thin film transistor driving backplane, simplifies the manufacturing step, and saves the manufacturing cost.

    Abstract translation: 本发明的实施例提供薄膜晶体管驱动背板及其制造方法和显示面板。 制造方法可以包括:制造设置有多个有源器件结构的背板基底; 在背板底座上设置电极层; 并且通过一个图案化工艺将电极层制造成与漏电极整体设置的源电极,漏电极和像素电极。 根据本发明的实施例,通过一次图案化工艺将电极层制造成与漏电极整体配置的多个源电极,漏电极和像素电极,使得源电极,漏电极和 像素电极全部处于相同的电极层,并且在现有方法中形成需要两个图案化处理的源电极,漏电极和像素电极被简化为一次图案化工艺,因此减小了薄的厚度 薄膜晶体管驱动背板,简化了制造步骤,节省了制造成本。

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